Vulnerability Name:

CVE-2018-19496 (CCN-169604)

Assigned:2018-11-28
Published:2018-11-28
Updated:2019-07-11
Summary:An issue was discovered in GitLab Community and Enterprise Edition 10.x and 11.x before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1. There is an incorrect access control vulnerability that permits a user with insufficient privileges to promote a project milestone to a group milestone.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:4.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-284
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2018-19496

Source: CONFIRM
Type: Release Notes, Vendor Advisory
https://about.gitlab.com/2018/11/28/security-release-gitlab-11-dot-5-dot-1-released/

Source: CCN
Type: GitLab Web site
GitLab Security Release: 11.5.1, 11.4.8, and 11.3.11

Source: XF
Type: UNKNOWN
gitlab-cve201819496-priv-esc(169604)

Source: MISC
Type: Issue Tracking, Vendor Advisory
https://gitlab.com/gitlab-org/gitlab-ce/issues/51301

Vulnerable Configuration:Configuration 1:
  • cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 10.0.0 and < 11.3.11)
  • OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 10.0.0 and < 11.3.11)
  • OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 11.4.0 and < 11.4.8)
  • OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 11.4.0 and < 11.4.8)
  • OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 11.5.0 and < 11.5.1)
  • OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 11.5.0 and < 11.5.1)

    • Configuration CCN 1:
  • cpe:/a:gitlab:gitlab:11.3.10:*:*:*:community:*:*:*
  • OR cpe:/a:gitlab:gitlab:11.4.7:*:*:*:community:*:*:*
  • OR cpe:/a:gitlab:gitlab:11.5.0:-:*:*:community:*:*:*
  • OR cpe:/a:gitlab:gitlab:11.3.10:*:*:*:enterprise:*:*:*
  • OR cpe:/a:gitlab:gitlab:11.4.7:*:*:*:enterprise:*:*:*
  • OR cpe:/a:gitlab:gitlab:11.5.0:-:*:*:enterprise:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:201819496000
    V
    		CVE-2018-19496 on Ubuntu 16.04 LTS (xenial) - low.
    2018-11-29
    oval:com.ubuntu.xenial:def:2018194960000000
    V
    		CVE-2018-19496 on Ubuntu 16.04 LTS (xenial) - low.
    2018-11-29
    BACK
    gitlab gitlab *
    gitlab gitlab *
    gitlab gitlab *
    gitlab gitlab *
    gitlab gitlab *
    gitlab gitlab *
    gitlab gitlab 11.3.10
    gitlab gitlab 11.4.7
    gitlab gitlab 11.5.0 -
    gitlab gitlab 11.3.10
    gitlab gitlab 11.4.7
    gitlab gitlab 11.5.0 -